CN210308711U - Material temperature regulating device is annotated to polyurethane for refrigerator - Google Patents

Material temperature regulating device is annotated to polyurethane for refrigerator Download PDF

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Publication number
CN210308711U
CN210308711U CN201921212133.XU CN201921212133U CN210308711U CN 210308711 U CN210308711 U CN 210308711U CN 201921212133 U CN201921212133 U CN 201921212133U CN 210308711 U CN210308711 U CN 210308711U
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China
Prior art keywords
pipe
annular
communicated
injection pipe
material injection
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Withdrawn - After Issue
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CN201921212133.XU
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Chinese (zh)
Inventor
叶小三
刘鹏
江峰
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Changhong Meiling Co Ltd
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Changhong Meiling Co Ltd
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Priority to CN201921212133.XU priority Critical patent/CN210308711U/en
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Abstract

The utility model discloses a material temperature regulation apparatus is annotated to polyurethane for refrigerator relates to polyurethane foaming technical field. The utility model comprises a material injection pipe; the material injection pipe is sleeved with a sleeve; the side surface of the periphery of the material injection pipe is in sliding fit with an annular partition plate; both ends of the sleeve are connected with the material injection pipe through annular side plates; the surface of the annular side plate is circumferentially arrayed with through holes and communicated with a first branch pipe; the first branch pipes are communicated with the annular water distribution pipe; the circumferential array of the surface of the annular partition plate is provided with through holes which are communicated with a second branch pipe; the second branch pipes are communicated with the annular water collecting pipe. The utility model realizes the adjustment of the heat exchange area of the material injection pipe by arranging the sleeve and the annular clapboard and adjusting the position of the annular clapboard, thereby achieving the effect of quickly adjusting the temperature of the raw material; the regulation efficiency of the temperature of the raw materials is improved; the requirements of different temperatures are met by adjusting the position of the annular partition plate; the same constant temperature unit can provide heating or heat preservation for the raw materials with a plurality of temperature demands, and the equipment utilization rate is improved.

Description

Material temperature regulating device is annotated to polyurethane for refrigerator
Technical Field
The utility model belongs to the technical field of the polyurethane foaming, especially, relate to a material temperature regulation apparatus is annotated to polyurethane for refrigerator.
Background
At present, the temperature control of various domestic refrigerator manufacturers is the temperature in a white material tank and a black material tank, but a long pipeline is arranged between a raw material tank and an injection gun head, when the raw material flows to the injection gun head in the case of too cold or too hot weather, the temperature is greatly changed, so that the actual temperature and the set temperature during foaming have a large difference, and the consistency of the quality of a foam heat-insulating layer can be influenced. Also, the actual temperature of the feedstock differs more from the monitored temperature of the equipment as the weather is colder or hotter.
In the existing method, an electric heating wire is wound on the outer wall of a material injection pipe for heating, or a sleeve is adopted, a constant temperature unit is utilized to inject media such as water or oil between the material injection pipe and the sleeve, and the raw materials in the material injection pipe are heated or insulated; however, in this way, the medium temperature needs to be controlled by the thermostat unit, and the raw materials are controlled to reach the set temperature through the change of the medium temperature, so that the process is slow, and the temperature regulation efficiency is low;
meanwhile, the optimal temperatures of different raw materials are different, and when the same constant temperature unit is used, the requirements of different raw material temperatures cannot be met simultaneously, and the equipment utilization rate is low.
Therefore, a polyurethane raw material temperature adjusting and heat preserving device is urgently needed to be designed to solve the defects in the existing using process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a polyurethane injection temperature adjusting device for a refrigerator, which is characterized in that a sleeve is arranged, an annular partition plate is matched in the sleeve, and the annular partition plate is connected with a second branch pipe; the heat exchange area of the medium and the material injection pipe can be adjusted through the position of the annular partition plate, so that the effect of quickly adjusting the temperature of the raw material is achieved; the problem of low temperature regulation efficiency of the existing raw materials is solved; meanwhile, the raw materials with different temperature requirements can meet the requirements of different temperatures by adjusting the positions of the annular partition plates; the same constant temperature unit can provide heating or heat preservation requirements for raw materials with multiple temperature requirements, and the equipment utilization rate is effectively improved.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a temperature adjusting device for polyurethane injection materials for a refrigerator, which comprises an injection material pipe; a sleeve is sleeved on the peripheral side surface of the material injection pipe; the side surface of the periphery of the material injection pipe is in sliding fit with an annular partition plate;
both ends of the sleeve are fixedly connected with the peripheral side face of the material injection pipe through annular side plates; a plurality of through holes are formed in the circumferential array on the surface of the annular side plate; a plurality of through holes are formed in the circumferential array on the surface of the other annular side plate;
the surface of the annular side plate is fixedly connected with a first branch pipe communicated with the through hole; the plurality of first branch pipes are communicated with the annular water distribution pipe; the peripheral side surface of the annular water distribution pipe is communicated with a water inlet pipe;
the peripheral side surface of the annular partition plate is matched with the inner surface of the sleeve; a plurality of through holes are formed in the circumferential array on the surface of the annular partition plate; the surface of the annular partition plate is fixedly connected with a second branch pipe communicated with the through hole; the peripheral side surface of the second branch pipe is matched with the through hole;
the second branch pipes are communicated with the annular water collecting pipe; the side surface of the annular water collecting pipe is communicated with a water outlet pipe.
Furthermore, a plurality of spiral sheets are circumferentially arrayed on the peripheral side face of one end, close to the annular water distribution pipe, of the material injection pipe.
Furthermore, the circumferential side surface of one end of the material injection pipe, which is opposite to the annular water collecting pipe, is fixedly connected with a limiting strip;
the limiting strips are arranged along the axial direction of the material injection pipe; the side surface array of the limiting strip is provided with a plurality of threaded blind holes.
Furthermore, one side surface of the annular water collecting pipe is fixedly connected with a limiting block corresponding to the limiting strip; the surface of the limiting block is provided with a connecting hole, and a screw matched with the threaded blind hole is arranged in the connecting hole in a clearance fit mode.
The utility model discloses following beneficial effect has:
1. the utility model has the advantages that the annular clapboard is arranged in the material injection pipe and the sleeve, and the size of the heat exchange surface of the heat exchange medium and the material injection pipe can be adjusted by changing the position of the annular clapboard, so that the effect of adjusting the temperature of the raw material in the material injection pipe is achieved; thereby greatly improving the efficiency of adjusting the temperature of the raw materials.
2. The utility model realizes the rapid adjustment of the temperature of the raw materials by adjusting the annular partition plate, can be connected with the same constant temperature unit when the raw materials with different temperature requirements need to be heated or insulated, and realizes the specific adjustment of the temperature of the raw materials by adjusting the position of the annular partition plate, thereby ensuring that the same constant temperature unit can simultaneously provide heating or insulation for the raw materials with a plurality of temperature requirements; thereby effectively improving the utilization rate of the equipment and saving energy consumption.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a polyurethane injection temperature adjusting device for a refrigerator according to the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a schematic structural view of the injection pipe, the sleeve and the annular water diversion pipe;
FIG. 4 is a schematic view of the structure of the baffle and the annular header;
in the drawings, the components represented by the respective reference numerals are listed below:
1-material injection pipe, 2-sleeve pipe, 3-annular partition plate, 4-annular side plate, 5-annular water distribution pipe, 6-annular water collection pipe, 101-spiral sheet, 102-limiting strip, 103-threaded blind hole, 301-second branch pipe, 401-through hole, 402-first branch pipe, 501-water inlet pipe, 601-water outlet pipe, 602-limiting block and 603-screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "side", "middle", "length", "inner", "peripheral", and the like, indicate positional or positional relationships, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 and 2, the utility model relates to a temperature adjusting device for polyurethane injection for refrigerator, which comprises an injection pipe 1; one end of the material injection pipe 1 is communicated with a polyurethane raw material pipe, and the other end of the material injection pipe is communicated with a material injection gun head through a pipeline; a sleeve 2 is sleeved on the peripheral side surface of the material injection pipe 1; the circumferential side surface of the material injection pipe 1 is in sliding fit with an annular partition plate 3, and a sealing ring is arranged on the contact surface of the annular partition plate 3 and the material injection pipe 1;
both ends of the sleeve 2 are fixedly connected with the peripheral side surface of the material injection pipe 1 through an annular side plate 4; the annular side plate 4 can be mutually welded and fixed with the sleeve 2 and the material injection pipe 1; flanges can be arranged on the peripheral sides of the sleeve 2 and the material injection pipe 1 and are connected with the annular side plate 4 through bolts, and a sealing gasket or a sealing ring is arranged in the connecting surface, so that the inner part is convenient to disassemble and repair;
as shown in fig. 2 and 3, the surface of the annular side plate 4 on the left side is circumferentially arrayed with four to eight through holes; four to eight through holes 401 are arrayed on the surface of the right annular side plate 4 in a circumferential array;
the surface of the annular side plate 4 on the left side is welded with a first branch pipe 402 communicated with the through hole; four to eight first branch pipes 402 are communicated with the annular water distribution pipe 5; the circumferential side surface of the annular water distribution pipe 5 is communicated with a water inlet pipe 501, and the water inlet pipe 501 is communicated with the medium outlet end of the thermostatic unit through a pipeline; the medium is introduced into the annular water distribution pipe 5 and is uniformly distributed to the circumferential direction of the material injection pipe 1 through the first branch pipe 402, so that the heat exchange efficiency is improved;
as shown in fig. 2 and 4, the circumferential side surface of the annular partition plate 3 is matched with the inner surface of the casing 2, and the circumferential side surface of the annular partition plate 3 is also provided with a sealing ring to ensure the sealing property between the annular partition plate 3 and the casing 2; four to eight through holes are arrayed on the surface circumference of the annular partition plate 3; the surface of the annular clapboard 3 is welded with a second branch pipe 301 communicated with the through hole; the peripheral side surface of the second branch pipe 301 is matched with the through hole 401, and a sealing ring can be arranged on the inner surface of the through hole 401, so that the internal tightness is further ensured;
four to eight second branch pipes 301 are communicated with the annular water collecting pipe 6; the circumferential side surface of the annular water collecting pipe 6 is communicated with a water outlet pipe 601, and the water outlet pipe 601 is communicated with the inlet end of the thermostatic unit through a pipeline
The heat-exchanged medium is collected in the annular water collecting pipe 6 through the second branch pipe 301 and returns to the thermostat unit through the water outlet pipe 601.
When the temperature of the raw material needs to be reduced, the annular water collecting pipe 6 is pushed, and the annular partition plate 3 moves towards the end of the annular water distributing pipe 5, so that the contact area between the medium and the material injection pipe 1 is reduced, the heat exchange time is reduced, the phenomenon that the temperature of the raw material is overhigh due to long-time heat exchange between the medium and the raw material is avoided, and the adjustment of the temperature of the raw material is realized; when the raw material temperature needs to be raised, the annular partition plate 3 is moved reversely, the contact area between the medium and the material injection pipe 1 is increased, so that the heat exchange time between the medium and the raw material is prolonged, the raw material in the material injection pipe 1 is sufficiently heated, and the effect of raising the raw material temperature is achieved.
The condition that the temperature is adjusted by a constant temperature unit and the temperature adjusting efficiency is low is avoided; meanwhile, when the raw materials with different temperature requirements need to be heated or insulated, the raw materials can be connected with the same constant temperature unit, and the temperature of the medium in the constant temperature unit is regulated within a certain range;
the specific regulation of the temperature of the raw materials is realized by regulating the position of the annular partition plate 3, so that the same constant temperature unit can simultaneously provide heating or heat preservation for the raw materials with a plurality of temperature requirements; thereby effectively improving the utilization rate of the equipment and saving energy consumption.
Preferably, a plurality of spiral sheets 101 are circumferentially arrayed on the circumferential side surface of the injection pipe 1 close to one end of the annular water diversion pipe 5, and the spiral sheets 101 enable the medium between the sleeve 2 and the injection pipe 1 entering through the first branch pipe 402 to rotate, so that heat exchange with the injection pipe 1 can be better carried out.
Preferably, the circumferential side surface of one end of the material injection pipe 1, which is opposite to the annular water collecting pipe 6, is welded with a limiting strip 102; the number of the limiting strips 102 can be two, and the limiting strips are symmetrically arranged relative to the axis of the material injection pipe 1 and are positioned on the same horizontal plane; the limiting strips 102 are arranged along the axial direction of the material injection pipe 1; a plurality of threaded blind holes 103 are arrayed on the side surface of the limiting strip 102;
a limiting block 602 corresponding to the limiting strip 102 is welded on one side surface of the annular water collecting pipe 6; the surface of the limiting block 602 is provided with a connecting hole, and a screw 603 matched with the threaded blind hole 103 is in clearance fit in the connecting hole; therefore, after the position of the annular partition plate 3 is adjusted, the position is fixed by matching the screw 603 with the threaded blind hole 103; the symmetrical arrangement of the position limiting strips 102 makes the fixation more stable.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. The utility model provides a material temperature regulation apparatus is annotated to polyurethane for refrigerator which characterized in that: comprises a material injection pipe (1); a sleeve (2) is sleeved on the peripheral side surface of the material injection pipe (1); the circumferential side surface of the material injection pipe (1) is in sliding fit with an annular partition plate (3);
both ends of the sleeve (2) are fixedly connected with the peripheral side surface of the material injection pipe (1) through annular side plates (4); a plurality of through holes are formed in the surface circumference array of the annular side plate (4); a plurality of through holes (401) are arrayed on the surface circumference of the other annular side plate (4);
the surface of the annular side plate (4) is fixedly connected with a first branch pipe (402) communicated with the through hole; the first branch pipes (402) are communicated with the annular water distribution pipe (5); the circumferential side surface of the annular water distribution pipe (5) is communicated with a water inlet pipe (501);
the peripheral side surface of the annular clapboard (3) is matched with the inner surface of the sleeve (2); a plurality of through holes are formed in the circumferential array on the surface of the annular partition plate (3); the surface of the annular partition plate (3) is fixedly connected with a second branch pipe (301) communicated with the through hole; the peripheral side surface of the second branch pipe (301) is matched with the through hole (401);
the second branch pipes (301) are communicated with an annular water collecting pipe (6); the side surface of the annular water collecting pipe (6) is communicated with a water outlet pipe (601).
2. The polyurethane injection temperature regulating device for the refrigerator as claimed in claim 1, wherein a plurality of spiral sheets (101) are circumferentially arrayed on the circumferential side of the injection pipe (1) near one end of the annular water diversion pipe (5).
3. The polyurethane injection temperature adjusting device for the refrigerator as claimed in claim 1, wherein a limit strip (102) is fixedly connected to the circumferential side surface of one end of the injection pipe (1) opposite to the annular water collecting pipe (6);
the limiting strips (102) are arranged along the axial direction of the material injection pipe (1); the side surface of the limiting strip (102) is provided with a plurality of threaded blind holes (103).
4. The polyurethane injection temperature adjusting device for the refrigerator as claimed in claim 3, wherein a limiting block (602) corresponding to the limiting strip (102) is fixedly connected to one side surface of the annular water collecting pipe (6); the surface of the limiting block (602) is provided with a connecting hole, and a screw (603) matched with the threaded blind hole (103) is in clearance fit in the connecting hole.
CN201921212133.XU 2019-07-30 2019-07-30 Material temperature regulating device is annotated to polyurethane for refrigerator Withdrawn - After Issue CN210308711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921212133.XU CN210308711U (en) 2019-07-30 2019-07-30 Material temperature regulating device is annotated to polyurethane for refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921212133.XU CN210308711U (en) 2019-07-30 2019-07-30 Material temperature regulating device is annotated to polyurethane for refrigerator

Publications (1)

Publication Number Publication Date
CN210308711U true CN210308711U (en) 2020-04-14

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ID=70126977

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921212133.XU Withdrawn - After Issue CN210308711U (en) 2019-07-30 2019-07-30 Material temperature regulating device is annotated to polyurethane for refrigerator

Country Status (1)

Country Link
CN (1) CN210308711U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110303632A (en) * 2019-07-30 2019-10-08 长虹美菱股份有限公司 A kind of refrigerator polyurethane material feeding temperature-adjusting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110303632A (en) * 2019-07-30 2019-10-08 长虹美菱股份有限公司 A kind of refrigerator polyurethane material feeding temperature-adjusting device
CN110303632B (en) * 2019-07-30 2024-04-16 长虹美菱股份有限公司 Polyurethane material temperature regulating device that annotates for refrigerator

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